Merge tag 'upstream/libpthread/20090404' into upstream-merged

1 files changed, 38 insertions, 0 deletions

diff --git a/libpthread/signal/sigpending.c b/libpthread/signal/sigpending.c
new file mode 100644
index 00000000..609b55d6
--- /dev/null
+++ b/libpthread/signal/sigpending.c
@@ -0,0 +1,38 @@
+/* sigpending.c - Generic sigpending implementation.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License
+   as published by the Free Software Foundation; either version 3 of
+   the License, or (at your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sig-internal.h>
+#include <pt-internal.h>
+
+int
+sigpending (sigset_t *set)
+{
+  struct signal_state *ss = &_pthread_self ()->ss;
+
+  pthread_mutex_lock (&ss->lock);
+
+  /* There is no need to lock SIG_LOCK for process_pending since we
+     just read it, which is atomic.  */
+  *set = (ss->pending | process_pending) & ss->blocked;
+
+  pthread_mutex_unlock (&ss->lock);
+
+  return 0;
+}